Improve sysconf.h on Linux
I copied the constants and definitions from musl which we can presume is correct. Relibc is missing some features which affects our sysconf as well, such as constants in limits.h or a working resources.h.
This commit is contained in:
Josh Megnauth
@@ -3,13 +3,6 @@
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#define _POSIX_VERSION 200809L
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#define _POSIX_REALTIME_SIGNALS 202405L
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#define _XOPEN_VERSION 700L
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#endif
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@@ -4,3 +4,8 @@ pub const HOST_NAME_MAX: usize = 64;
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pub const PASS_MAX: usize = 128;
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pub const PATH_MAX: usize = 4096;
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pub const NGROUPS_MAX: usize = 65536;
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// TODO: 4096 for most architectures as determined by a quick grep of musl's source; need a better
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// way to determine it for other archs or to hard code a value.
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#[cfg(target_os = "linux")]
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pub const PAGE_SIZE: usize = 4096;
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@@ -1,72 +1,18 @@
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use core::convert::TryInto;
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/// sysconf.h: <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sysconf.html>.
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use crate::{
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header::{errno, limits},
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platform::{self, types::*, Pal, Sys},
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};
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#[cfg(target_os = "redox")]
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#[path = "sysconf/redox.rs"]
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mod sys;
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// POSIX.1 {
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pub const _SC_ARG_MAX: c_int = 0;
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pub const _SC_CHILD_MAX: c_int = 1;
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pub const _SC_CLK_TCK: c_int = 2;
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pub const _SC_NGROUPS_MAX: c_int = 3;
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pub const _SC_OPEN_MAX: c_int = 4;
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pub const _SC_STREAM_MAX: c_int = 5;
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pub const _SC_TZNAME_MAX: c_int = 6;
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// ...
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pub const _SC_VERSION: c_int = 29;
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pub const _SC_PAGESIZE: c_int = 30;
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pub const _SC_PAGE_SIZE: c_int = 30;
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// ...
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pub const _SC_RE_DUP_MAX: c_int = 44;
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#[cfg(target_os = "linux")]
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#[path = "sysconf/linux.rs"]
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mod sys;
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pub const _SC_NPROCESSORS_CONF: c_int = 57;
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pub const _SC_NPROCESSORS_ONLN: c_int = 58;
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pub use sys::*;
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// ...
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pub const _SC_GETGR_R_SIZE_MAX: c_int = 69;
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pub const _SC_GETPW_R_SIZE_MAX: c_int = 70;
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pub const _SC_LOGIN_NAME_MAX: c_int = 71;
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pub const _SC_TTY_NAME_MAX: c_int = 72;
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// ...
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pub const _SC_SYMLOOP_MAX: c_int = 173;
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// ...
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pub const _SC_HOST_NAME_MAX: c_int = 180;
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// ...
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pub const _SC_SIGQUEUE_MAX: c_int = 190;
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pub const _SC_REALTIME_SIGNALS: c_int = 191;
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// } POSIX.1
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use core::ffi::{c_int, c_long};
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/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sysconf.html>.
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#[no_mangle]
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pub extern "C" fn sysconf(name: c_int) -> c_long {
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//TODO: Real values
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match name {
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_SC_ARG_MAX => 4096,
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_SC_CHILD_MAX => 65536,
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_SC_CLK_TCK => 100,
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_SC_NGROUPS_MAX => limits::NGROUPS_MAX as c_long,
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_SC_OPEN_MAX => 1024,
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_SC_STREAM_MAX => 16,
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_SC_TZNAME_MAX => -1,
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_SC_VERSION => 200809,
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_SC_PAGESIZE => Sys::getpagesize()
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.try_into()
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.expect("page size not representable as type `long`"),
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_SC_RE_DUP_MAX => 32767,
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_SC_GETGR_R_SIZE_MAX => -1,
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_SC_GETPW_R_SIZE_MAX => -1,
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_SC_LOGIN_NAME_MAX => 256,
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_SC_TTY_NAME_MAX => 32,
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_SC_SYMLOOP_MAX => -1,
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_SC_HOST_NAME_MAX => 64,
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_SC_NPROCESSORS_CONF => 1,
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_SC_NPROCESSORS_ONLN => 1,
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_SC_SIGQUEUE_MAX => 32,
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_SC_REALTIME_SIGNALS => 202405,
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_ => {
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platform::ERRNO.set(errno::EINVAL);
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-1
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}
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}
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#[unsafe(no_mangle)]
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pub unsafe extern "C" fn sysconf(name: c_int) -> c_long {
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sysconf_impl(name)
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}
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@@ -0,0 +1,381 @@
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/// Linux sysconf implementation.
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/// Constants borrowed from musl.
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use core::{
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ffi::{c_int, c_long},
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mem::size_of,
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};
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use crate::{
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header::{
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errno,
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limits::{HOST_NAME_MAX, PAGE_SIZE},
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signal,
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},
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platform,
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};
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pub const _POSIX2_BC_BASE_MAX: c_long = 99;
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pub const _POSIX2_BC_DIM_MAX: c_long = 2048;
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pub const _POSIX2_BC_SCALE_MAX: c_long = 99;
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pub const _POSIX2_BC_STRING_MAX: c_long = 1000;
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pub const _POSIX2_CHARCLASS_NAME_MAX: c_long = 14;
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pub const _POSIX2_COLL_WEIGHTS_MAX: c_long = 2;
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pub const _POSIX2_EXPR_NEST_MAX: c_long = 32;
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pub const _POSIX2_LINE_MAX: c_long = 2048;
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pub const _POSIX2_RE_DUP_MAX: c_long = 255;
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pub const _XOPEN_IOV_MAX: c_long = 16;
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pub const _XOPEN_NAME_MAX: c_long = 255;
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pub const _XOPEN_PATH_MAX: c_long = 1024;
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pub const _SC_ARG_MAX: c_int = 0;
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pub const _SC_CHILD_MAX: c_int = 1;
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pub const _SC_CLK_TCK: c_int = 2;
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pub const _SC_NGROUPS_MAX: c_int = 3;
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pub const _SC_OPEN_MAX: c_int = 4;
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pub const _SC_STREAM_MAX: c_int = 5;
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pub const _SC_TZNAME_MAX: c_int = 6;
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pub const _SC_JOB_CONTROL: c_int = 7;
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pub const _SC_SAVED_IDS: c_int = 8;
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pub const _SC_REALTIME_SIGNALS: c_int = 9;
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pub const _SC_PRIORITY_SCHEDULING: c_int = 10;
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pub const _SC_TIMERS: c_int = 11;
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pub const _SC_ASYNCHRONOUS_IO: c_int = 12;
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pub const _SC_PRIORITIZED_IO: c_int = 13;
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pub const _SC_SYNCHRONIZED_IO: c_int = 14;
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pub const _SC_FSYNC: c_int = 15;
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pub const _SC_MAPPED_FILES: c_int = 16;
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pub const _SC_MEMLOCK: c_int = 17;
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pub const _SC_MEMLOCK_RANGE: c_int = 18;
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pub const _SC_MEMORY_PROTECTION: c_int = 19;
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pub const _SC_MESSAGE_PASSING: c_int = 20;
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pub const _SC_SEMAPHORES: c_int = 21;
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pub const _SC_SHARED_MEMORY_OBJECTS: c_int = 22;
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pub const _SC_AIO_LISTIO_MAX: c_int = 23;
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pub const _SC_AIO_MAX: c_int = 24;
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pub const _SC_AIO_PRIO_DELTA_MAX: c_int = 25;
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pub const _SC_DELAYTIMER_MAX: c_int = 26;
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pub const _SC_MQ_OPEN_MAX: c_int = 27;
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pub const _SC_MQ_PRIO_MAX: c_int = 28;
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pub const _SC_VERSION: c_int = 29;
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pub const _SC_PAGE_SIZE: c_int = 30;
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pub const _SC_PAGESIZE: c_int = 30;
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pub const _SC_RTSIG_MAX: c_int = 31;
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pub const _SC_SEM_NSEMS_MAX: c_int = 32;
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pub const _SC_SEM_VALUE_MAX: c_int = 33;
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pub const _SC_SIGQUEUE_MAX: c_int = 34;
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pub const _SC_TIMER_MAX: c_int = 35;
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pub const _SC_BC_BASE_MAX: c_int = 36;
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pub const _SC_BC_DIM_MAX: c_int = 37;
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pub const _SC_BC_SCALE_MAX: c_int = 38;
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pub const _SC_BC_STRING_MAX: c_int = 39;
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pub const _SC_COLL_WEIGHTS_MAX: c_int = 40;
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pub const _SC_EXPR_NEST_MAX: c_int = 42;
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pub const _SC_LINE_MAX: c_int = 43;
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pub const _SC_RE_DUP_MAX: c_int = 44;
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pub const _SC_2_VERSION: c_int = 46;
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pub const _SC_2_C_BIND: c_int = 47;
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pub const _SC_2_C_DEV: c_int = 48;
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pub const _SC_2_FORT_DEV: c_int = 49;
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pub const _SC_2_FORT_RUN: c_int = 50;
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pub const _SC_2_SW_DEV: c_int = 51;
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pub const _SC_2_LOCALEDEF: c_int = 52;
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pub const _SC_UIO_MAXIOV: c_int = 60;
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pub const _SC_IOV_MAX: c_int = 60;
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pub const _SC_THREADS: c_int = 67;
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pub const _SC_THREAD_SAFE_FUNCTIONS: c_int = 68;
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pub const _SC_GETGR_R_SIZE_MAX: c_int = 69;
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pub const _SC_GETPW_R_SIZE_MAX: c_int = 70;
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pub const _SC_LOGIN_NAME_MAX: c_int = 71;
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pub const _SC_TTY_NAME_MAX: c_int = 72;
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pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: c_int = 73;
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pub const _SC_THREAD_KEYS_MAX: c_int = 74;
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pub const _SC_THREAD_STACK_MIN: c_int = 75;
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pub const _SC_THREAD_THREADS_MAX: c_int = 76;
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pub const _SC_THREAD_ATTR_STACKADDR: c_int = 77;
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pub const _SC_THREAD_ATTR_STACKSIZE: c_int = 78;
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pub const _SC_THREAD_PRIORITY_SCHEDULING: c_int = 79;
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pub const _SC_THREAD_PRIO_INHERIT: c_int = 80;
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pub const _SC_THREAD_PRIO_PROTECT: c_int = 81;
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pub const _SC_THREAD_PROCESS_SHARED: c_int = 82;
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pub const _SC_NPROCESSORS_CONF: c_int = 83;
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pub const _SC_NPROCESSORS_ONLN: c_int = 84;
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pub const _SC_PHYS_PAGES: c_int = 85;
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pub const _SC_AVPHYS_PAGES: c_int = 86;
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pub const _SC_ATEXIT_MAX: c_int = 87;
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pub const _SC_PASS_MAX: c_int = 88;
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pub const _SC_XOPEN_VERSION: c_int = 89;
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pub const _SC_XOPEN_XCU_VERSION: c_int = 90;
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pub const _SC_XOPEN_UNIX: c_int = 91;
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pub const _SC_XOPEN_CRYPT: c_int = 92;
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pub const _SC_XOPEN_ENH_I18N: c_int = 93;
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pub const _SC_XOPEN_SHM: c_int = 94;
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pub const _SC_2_CHAR_TERM: c_int = 95;
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pub const _SC_2_UPE: c_int = 97;
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pub const _SC_XOPEN_XPG2: c_int = 98;
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pub const _SC_XOPEN_XPG3: c_int = 99;
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pub const _SC_XOPEN_XPG4: c_int = 100;
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pub const _SC_NZERO: c_int = 109;
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pub const _SC_XBS5_ILP32_OFF32: c_int = 125;
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pub const _SC_XBS5_ILP32_OFFBIG: c_int = 126;
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pub const _SC_XBS5_LP64_OFF64: c_int = 127;
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pub const _SC_XBS5_LPBIG_OFFBIG: c_int = 128;
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pub const _SC_XOPEN_LEGACY: c_int = 129;
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pub const _SC_XOPEN_REALTIME: c_int = 130;
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pub const _SC_XOPEN_REALTIME_THREADS: c_int = 131;
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pub const _SC_ADVISORY_INFO: c_int = 132;
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pub const _SC_BARRIERS: c_int = 133;
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pub const _SC_CLOCK_SELECTION: c_int = 137;
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pub const _SC_CPUTIME: c_int = 138;
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pub const _SC_THREAD_CPUTIME: c_int = 139;
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pub const _SC_MONOTONIC_CLOCK: c_int = 149;
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pub const _SC_READER_WRITER_LOCKS: c_int = 153;
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pub const _SC_SPIN_LOCKS: c_int = 154;
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pub const _SC_REGEXP: c_int = 155;
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pub const _SC_SHELL: c_int = 157;
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pub const _SC_SPAWN: c_int = 159;
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pub const _SC_SPORADIC_SERVER: c_int = 160;
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pub const _SC_THREAD_SPORADIC_SERVER: c_int = 161;
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pub const _SC_TIMEOUTS: c_int = 164;
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pub const _SC_TYPED_MEMORY_OBJECTS: c_int = 165;
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pub const _SC_2_PBS: c_int = 168;
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pub const _SC_2_PBS_ACCOUNTING: c_int = 169;
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pub const _SC_2_PBS_LOCATE: c_int = 170;
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pub const _SC_2_PBS_MESSAGE: c_int = 171;
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pub const _SC_2_PBS_TRACK: c_int = 172;
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pub const _SC_SYMLOOP_MAX: c_int = 173;
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pub const _SC_STREAMS: c_int = 174;
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pub const _SC_2_PBS_CHECKPOINT: c_int = 175;
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pub const _SC_V6_ILP32_OFF32: c_int = 176;
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pub const _SC_V6_ILP32_OFFBIG: c_int = 177;
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pub const _SC_V6_LP64_OFF64: c_int = 178;
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pub const _SC_V6_LPBIG_OFFBIG: c_int = 179;
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pub const _SC_HOST_NAME_MAX: c_int = 180;
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pub const _SC_TRACE: c_int = 181;
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pub const _SC_TRACE_EVENT_FILTER: c_int = 182;
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pub const _SC_TRACE_INHERIT: c_int = 183;
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pub const _SC_TRACE_LOG: c_int = 184;
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pub const _SC_IPV6: c_int = 235;
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pub const _SC_RAW_SOCKETS: c_int = 236;
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pub const _SC_V7_ILP32_OFF32: c_int = 237;
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pub const _SC_V7_ILP32_OFFBIG: c_int = 238;
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pub const _SC_V7_LP64_OFF64: c_int = 239;
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pub const _SC_V7_LPBIG_OFFBIG: c_int = 240;
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pub const _SC_SS_REPL_MAX: c_int = 241;
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pub const _SC_TRACE_EVENT_NAME_MAX: c_int = 242;
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pub const _SC_TRACE_NAME_MAX: c_int = 243;
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pub const _SC_TRACE_SYS_MAX: c_int = 244;
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pub const _SC_TRACE_USER_EVENT_MAX: c_int = 245;
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pub const _SC_XOPEN_STREAMS: c_int = 246;
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pub const _SC_THREAD_ROBUST_PRIO_INHERIT: c_int = 247;
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pub const _SC_THREAD_ROBUST_PRIO_PROTECT: c_int = 248;
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pub const _SC_MINSIGSTKSZ: c_int = 249;
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pub const _SC_SIGSTKSZ: c_int = 250;
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// Defined in unistd.h but we defined it in C
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const _POSIX_VERSION: c_long = 200809;
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const _XOPEN_VERSION: c_long = 700;
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pub(super) fn sysconf_impl(name: c_int) -> c_long {
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// Values from musl which we can assume is correct.
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match name {
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_SC_CLK_TCK => 100,
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// TODO: getrlimit
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_SC_CHILD_MAX => -1,
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_SC_NGROUPS_MAX => 32,
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// TODO: getrlimit
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_SC_OPEN_MAX => -1,
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_SC_STREAM_MAX => -1,
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// TODO: limits.h
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_SC_TZNAME_MAX => -1,
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_SC_JOB_CONTROL => 1,
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_SC_SAVED_IDS => 1,
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_SC_REALTIME_SIGNALS => _POSIX_VERSION,
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_SC_PRIORITY_SCHEDULING => -1,
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_SC_TIMERS => _POSIX_VERSION,
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_SC_ASYNCHRONOUS_IO => _POSIX_VERSION,
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_SC_PRIORITIZED_IO => -1,
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_SC_SYNCHRONIZED_IO => -1,
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_SC_FSYNC => _POSIX_VERSION,
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_SC_MAPPED_FILES => _POSIX_VERSION,
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_SC_MEMLOCK => _POSIX_VERSION,
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_SC_MEMLOCK_RANGE => _POSIX_VERSION,
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_SC_MEMORY_PROTECTION => _POSIX_VERSION,
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_SC_MESSAGE_PASSING => _POSIX_VERSION,
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_SC_SEMAPHORES => _POSIX_VERSION,
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_SC_SHARED_MEMORY_OBJECTS => _POSIX_VERSION,
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_SC_AIO_LISTIO_MAX => -1,
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_SC_AIO_MAX => -1,
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_SC_AIO_PRIO_DELTA_MAX => 0,
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// TODO: limits.h?
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_SC_DELAYTIMER_MAX => -1,
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_SC_MQ_OPEN_MAX => -1,
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// TODO: limits.h?
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_SC_MQ_PRIO_MAX => -1,
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_SC_VERSION => _POSIX_VERSION,
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_SC_PAGE_SIZE => PAGE_SIZE.try_into().unwrap_or(-1),
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_SC_RTSIG_MAX => (signal::SIGRTMAX - signal::SIGRTMIN)
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.try_into()
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.unwrap_or(-1),
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// TODO: limits.h
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_SC_SEM_NSEMS_MAX => -1,
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// TODO: limits.h
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_SC_SEM_VALUE_MAX => -1,
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_SC_SIGQUEUE_MAX => -1,
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_SC_TIMER_MAX => -1,
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_SC_BC_BASE_MAX => _POSIX2_BC_BASE_MAX,
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_SC_BC_DIM_MAX => _POSIX2_BC_DIM_MAX,
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_SC_BC_SCALE_MAX => _POSIX2_BC_SCALE_MAX,
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_SC_BC_STRING_MAX => _POSIX2_BC_STRING_MAX,
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_SC_COLL_WEIGHTS_MAX => _POSIX2_COLL_WEIGHTS_MAX,
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_SC_EXPR_NEST_MAX => -1,
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_SC_LINE_MAX => -1,
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_SC_RE_DUP_MAX => _POSIX2_RE_DUP_MAX,
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_SC_2_VERSION => _POSIX_VERSION,
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_SC_2_C_BIND => _POSIX_VERSION,
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_SC_2_C_DEV => -1,
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_SC_2_FORT_DEV => -1,
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_SC_2_FORT_RUN => -1,
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_SC_2_SW_DEV => -1,
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_SC_2_LOCALEDEF => -1,
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_SC_IOV_MAX => _XOPEN_IOV_MAX,
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_SC_THREADS => _POSIX_VERSION,
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_SC_THREAD_SAFE_FUNCTIONS => _POSIX_VERSION,
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_SC_GETGR_R_SIZE_MAX => -1,
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_SC_GETPW_R_SIZE_MAX => -1,
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_SC_LOGIN_NAME_MAX => 256,
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// TODO: limits.h
|
||||
_SC_TTY_NAME_MAX => -1,
|
||||
// TODO: limits.h
|
||||
_SC_THREAD_DESTRUCTOR_ITERATIONS => -1,
|
||||
// TODO: limits.h
|
||||
_SC_THREAD_KEYS_MAX => -1,
|
||||
// TODO: limits.h
|
||||
_SC_THREAD_STACK_MIN => -1,
|
||||
_SC_THREAD_THREADS_MAX => -1,
|
||||
_SC_THREAD_ATTR_STACKADDR => _POSIX_VERSION,
|
||||
_SC_THREAD_ATTR_STACKSIZE => _POSIX_VERSION,
|
||||
_SC_THREAD_PRIORITY_SCHEDULING => _POSIX_VERSION,
|
||||
_SC_THREAD_PRIO_INHERIT => -1,
|
||||
_SC_THREAD_PRIO_PROTECT => -1,
|
||||
_SC_THREAD_PROCESS_SHARED => _POSIX_VERSION,
|
||||
// TODO: Use getaffinity syscall on Linux
|
||||
_SC_NPROCESSORS_CONF => -1,
|
||||
_SC_NPROCESSORS_ONLN => -1,
|
||||
// TODO: sysinfo
|
||||
_SC_PHYS_PAGES => -1,
|
||||
_SC_AVPHYS_PAGES => -1,
|
||||
_SC_ATEXIT_MAX => -1,
|
||||
_SC_PASS_MAX => -1,
|
||||
_SC_XOPEN_VERSION => _XOPEN_VERSION,
|
||||
_SC_XOPEN_XCU_VERSION => _XOPEN_VERSION,
|
||||
_SC_XOPEN_UNIX => 1,
|
||||
_SC_XOPEN_CRYPT => -1,
|
||||
_SC_XOPEN_ENH_I18N => 1,
|
||||
_SC_XOPEN_SHM => 1,
|
||||
_SC_2_CHAR_TERM => -1,
|
||||
_SC_2_UPE => -1,
|
||||
_SC_XOPEN_XPG2 => -1,
|
||||
_SC_XOPEN_XPG3 => -1,
|
||||
_SC_XOPEN_XPG4 => -1,
|
||||
// TODO: ?
|
||||
_SC_NZERO => -1,
|
||||
_SC_XBS5_ILP32_OFF32 => -1,
|
||||
_SC_XBS5_ILP32_OFFBIG => {
|
||||
if size_of::<c_long>() == 4 {
|
||||
1
|
||||
} else {
|
||||
-1
|
||||
}
|
||||
}
|
||||
_SC_XBS5_LP64_OFF64 => {
|
||||
if size_of::<c_long>() == 8 {
|
||||
1
|
||||
} else {
|
||||
-1
|
||||
}
|
||||
}
|
||||
_SC_XBS5_LPBIG_OFFBIG => -1,
|
||||
_SC_XOPEN_LEGACY => -1,
|
||||
_SC_XOPEN_REALTIME => -1,
|
||||
_SC_XOPEN_REALTIME_THREADS => -1,
|
||||
_SC_ADVISORY_INFO => _POSIX_VERSION,
|
||||
_SC_BARRIERS => _POSIX_VERSION,
|
||||
_SC_CLOCK_SELECTION => _POSIX_VERSION,
|
||||
_SC_CPUTIME => _POSIX_VERSION,
|
||||
_SC_THREAD_CPUTIME => _POSIX_VERSION,
|
||||
_SC_MONOTONIC_CLOCK => _POSIX_VERSION,
|
||||
_SC_READER_WRITER_LOCKS => _POSIX_VERSION,
|
||||
_SC_SPIN_LOCKS => _POSIX_VERSION,
|
||||
_SC_REGEXP => 1,
|
||||
_SC_SHELL => 1,
|
||||
_SC_SPAWN => _POSIX_VERSION,
|
||||
_SC_SPORADIC_SERVER => -1,
|
||||
_SC_THREAD_SPORADIC_SERVER => -1,
|
||||
_SC_TIMEOUTS => _POSIX_VERSION,
|
||||
_SC_TYPED_MEMORY_OBJECTS => -1,
|
||||
_SC_2_PBS => -1,
|
||||
_SC_2_PBS_ACCOUNTING => -1,
|
||||
_SC_2_PBS_LOCATE => -1,
|
||||
_SC_2_PBS_MESSAGE => -1,
|
||||
_SC_2_PBS_TRACK => -1,
|
||||
// TODO: SYMLOOP_MAX in paths.h
|
||||
_SC_SYMLOOP_MAX => -1,
|
||||
_SC_STREAMS => 0,
|
||||
_SC_2_PBS_CHECKPOINT => -1,
|
||||
_SC_V6_ILP32_OFF32 => -1,
|
||||
_SC_V6_ILP32_OFFBIG => {
|
||||
if size_of::<c_long>() == 4 {
|
||||
1
|
||||
} else {
|
||||
-1
|
||||
}
|
||||
}
|
||||
_SC_V6_LP64_OFF64 => {
|
||||
if size_of::<c_long>() == 8 {
|
||||
1
|
||||
} else {
|
||||
-1
|
||||
}
|
||||
}
|
||||
_SC_V6_LPBIG_OFFBIG => -1,
|
||||
_SC_HOST_NAME_MAX => HOST_NAME_MAX.try_into().unwrap_or(-1),
|
||||
_SC_TRACE => -1,
|
||||
_SC_TRACE_EVENT_FILTER => -1,
|
||||
_SC_TRACE_INHERIT => -1,
|
||||
_SC_TRACE_LOG => -1,
|
||||
_SC_IPV6 => _POSIX_VERSION,
|
||||
_SC_RAW_SOCKETS => _POSIX_VERSION,
|
||||
_SC_V7_ILP32_OFF32 => -1,
|
||||
_SC_V7_ILP32_OFFBIG => {
|
||||
if size_of::<c_long>() == 4 {
|
||||
1
|
||||
} else {
|
||||
-1
|
||||
}
|
||||
}
|
||||
_SC_V7_LP64_OFF64 => {
|
||||
if size_of::<c_long>() == 8 {
|
||||
1
|
||||
} else {
|
||||
-1
|
||||
}
|
||||
}
|
||||
_SC_V7_LPBIG_OFFBIG => -1,
|
||||
_SC_SS_REPL_MAX => -1,
|
||||
_SC_TRACE_EVENT_NAME_MAX => -1,
|
||||
_SC_TRACE_NAME_MAX => -1,
|
||||
_SC_TRACE_SYS_MAX => -1,
|
||||
_SC_TRACE_USER_EVENT_MAX => -1,
|
||||
_SC_XOPEN_STREAMS => 0,
|
||||
_SC_THREAD_ROBUST_PRIO_INHERIT => -1,
|
||||
_SC_THREAD_ROBUST_PRIO_PROTECT => -1,
|
||||
// TODO: Working getauxval
|
||||
_SC_MINSIGSTKSZ => -1,
|
||||
_SC_SIGSTKSZ => -1,
|
||||
_ => {
|
||||
platform::ERRNO.set(errno::EINVAL);
|
||||
-1
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,68 @@
|
||||
use core::convert::TryInto;
|
||||
|
||||
use crate::{
|
||||
header::{errno, limits},
|
||||
platform::{self, types::*, Pal, Sys},
|
||||
};
|
||||
|
||||
// POSIX.1 {
|
||||
pub const _SC_ARG_MAX: c_int = 0;
|
||||
pub const _SC_CHILD_MAX: c_int = 1;
|
||||
pub const _SC_CLK_TCK: c_int = 2;
|
||||
pub const _SC_NGROUPS_MAX: c_int = 3;
|
||||
pub const _SC_OPEN_MAX: c_int = 4;
|
||||
pub const _SC_STREAM_MAX: c_int = 5;
|
||||
pub const _SC_TZNAME_MAX: c_int = 6;
|
||||
// ...
|
||||
pub const _SC_VERSION: c_int = 29;
|
||||
pub const _SC_PAGESIZE: c_int = 30;
|
||||
pub const _SC_PAGE_SIZE: c_int = 30;
|
||||
// ...
|
||||
pub const _SC_RE_DUP_MAX: c_int = 44;
|
||||
|
||||
pub const _SC_NPROCESSORS_CONF: c_int = 57;
|
||||
pub const _SC_NPROCESSORS_ONLN: c_int = 58;
|
||||
|
||||
// ...
|
||||
pub const _SC_GETGR_R_SIZE_MAX: c_int = 69;
|
||||
pub const _SC_GETPW_R_SIZE_MAX: c_int = 70;
|
||||
pub const _SC_LOGIN_NAME_MAX: c_int = 71;
|
||||
pub const _SC_TTY_NAME_MAX: c_int = 72;
|
||||
// ...
|
||||
pub const _SC_SYMLOOP_MAX: c_int = 173;
|
||||
// ...
|
||||
pub const _SC_HOST_NAME_MAX: c_int = 180;
|
||||
// ...
|
||||
pub const _SC_SIGQUEUE_MAX: c_int = 190;
|
||||
pub const _SC_REALTIME_SIGNALS: c_int = 191;
|
||||
// } POSIX.1
|
||||
|
||||
pub(super) fn sysconf_impl(name: c_int) -> c_long {
|
||||
//TODO: Real values
|
||||
match name {
|
||||
_SC_ARG_MAX => 4096,
|
||||
_SC_CHILD_MAX => 65536,
|
||||
_SC_CLK_TCK => 100,
|
||||
_SC_NGROUPS_MAX => limits::NGROUPS_MAX as c_long,
|
||||
_SC_OPEN_MAX => 1024,
|
||||
_SC_STREAM_MAX => 16,
|
||||
_SC_TZNAME_MAX => -1,
|
||||
_SC_VERSION => 200809,
|
||||
_SC_PAGESIZE => Sys::getpagesize().try_into().unwrap_or(-1),
|
||||
_SC_RE_DUP_MAX => 32767,
|
||||
_SC_GETGR_R_SIZE_MAX => -1,
|
||||
_SC_GETPW_R_SIZE_MAX => -1,
|
||||
_SC_LOGIN_NAME_MAX => 256,
|
||||
_SC_TTY_NAME_MAX => 32,
|
||||
_SC_SYMLOOP_MAX => -1,
|
||||
_SC_HOST_NAME_MAX => 64,
|
||||
_SC_NPROCESSORS_CONF => 1,
|
||||
_SC_NPROCESSORS_ONLN => 1,
|
||||
_SC_SIGQUEUE_MAX => 32,
|
||||
_SC_REALTIME_SIGNALS => 202405,
|
||||
_ => {
|
||||
platform::ERRNO.set(errno::EINVAL);
|
||||
-1
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user